Site help to approach the topic "Stretch Marks"
Site help to approach the topic "Stretch Marks":
What are stretch marks?
Stretch marks are scars that are formed on the skin due to the loss of organization of the collagen fibers which support the skin tissue. Collagen is in fact the matrix, the structure of the tissues.
They are commonly divided into:
- red stretch marks
- white stretch marks
Difference between red and white stratch marks
Red stretch marks are at erythematous stage (or regenerative) and you can still treat them to make them disappear. The next step in the formation of stretch marks is the stage where they are white and it’s the final one: here they have become real scars and no current non-invasive technique allows you to cancel them. The red stretch marks, however, can be successfully treated with noninvasive and absolutely painless methods.
Who is subject to stretch marks?
They affect about 34% of adolescents with a peak incidence between 15 and 30 years; stretch marks affect women to a greater extent than men, and are formed especially during pregnancy and puberty.
Where do stretch marks form?
Stretch marks form on the abdomen and hips, buttocks and thighs, breasts and inner arms. Usually the direction of stretch marks reflect the lines of skin tension.
Theories on the causes of stretch marks
Currently there are two theories:
- the mechanical one
- the endocrine (hormonal) one,
although the two theories can be concurrent. The mechanical theory basically states that rapid changes in skin volume (increase or decrease) will cause a stretching of blood vessels and decreased blood flow to the skin: collagen and elastic fibers begin to be distressed and broken, leading to the formation of stretch marks. The endocrine theory, however, says that cortisol (a hormone) inhibits the activity of fibroblasts (cells that produce collagen).